|Name||Blackstone Group - undifferentiated rock|
|Geologic age||Late Proterozoic? or older?|
Metamorphic > Migmatiteundifferentiated rock - Consists of associations of the above rock types. Locally cut by granitic rocks of the Esmond Igneous Suite, resulting in migmatitic appearance.
|Comments||Part of Esmond-Dedham Subterrane (West Bay Area)|
Hermes, O.D. (comp.), Gromet, L.P. (comp.), Murray, D.P. (comp.), Hamidzada, N.A., Skehan, J.W., and Mosher, S., 1994, Bedrock geologic map of Rhode Island: Rhode Island Map Series No. 1, Kingston, Rhode Island, scale 1:100,000.
|Counties||Kent - Providence|